The Art of Finding Coarse Gold Part IV—Recovery of Coarse Gold From Alluvial Placers
March 2005 by Chris RalphThis last installment in the series will look at methods for finding and recovering coarse gold from alluvial (river and stream) placer environments. Unlike the residual and eluvial placers that we have considered previously, the force of flowing...
This was not a month for the weak-hearted. During the past thirty days, we have had an explosive intensification of the Middle East conflict, threats of OPEC using the “Oil Weapon” once again, a growing chain of events flowing out of the Enron collapse and...
...at least 10 junior mining companies have been busy pounding stakes in the ground of northern Quebec in hopes of claiming rich nickel deposits.
There’s gold in that thar sea floor. Silver, copper, zinc and lead, too. The problem is, it’s a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world.
A group of lawmakers is asking the state to review the economic effects of a new mining law that one lawmaker contends is nothing more than a thinly veiled effort to end all mining in Montana.
We’ll call this prospector “Bill.” Bill found the nuggets pictured in a gully in Victoria’s Golden Triangle, where everyone had been detecting for more than twenty-five years. Many good nuggets were found in this gully over the years, and whenever...
...we cannot help but wonder exactly how nation after nation, already massively in debt and presently burdened with monumental operating deficits, is going to come up with such largesse. We also wonder exactly how going ever-more deeply into debt is going to resolve a debt crisis.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
The Bawl Mill • $100 Million Lost on Faulty ESA Listing • Geologists Locate Giant Gemstones • Miner Wins Important Victory Against Forest Service • Philippines Asks Foreigners to Invest in Mining • Healthy Interest at Recent Vancouver Conferences • Idaho Silver Miners Come to Aid of Tsunami Victims • Picks & Pans: In Search of a Vein: Looking for Hardrock in the Talkeetna Mountains • Researchers Trace History of Hope Diamond • The "Rip-Roaring" Flood That Washed Out Mazuma, Nevada • Looking Back • Resolution Copper Mine, Arizona • Company Notes • China Ups Investment in Foreign Minerals • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices